var createError = require('http-errors');
var   express      = require('express');
var   path         = require('path');
var   cookieParser = require('cookie-parser');
var   logger       = require('morgan');
var   cors         = require('cors');
const mongoose     = require('mongoose');
mongoose.connect('mongodb://127.0.0.1:27017/1805');

var indexRouter    = require('./routes/index');
var usersRouter    = require('./routes/users');
var newsRouter     = require('./routes/news');      //引入新闻，信息模块
var cateRouter     = require('./routes/cate');
var commentsRouter = require('./routes/comments');
var productRouter  = require('./routes/product');
var cartRouter     = require('./routes/cart');
var orderRouter    = require('./routes/order');
var helpRouter     = require('./routes/help');
var app            = express();


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(cors());

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/news', newsRouter); //使用新闻，信息模块
app.use('/cate', cateRouter);
app.use('/comments', commentsRouter);
app.use('/product', productRouter);
app.use('/cart', cartRouter);
app.use('/order', orderRouter);
app.use('/help',helpRouter)


// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error   = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;